/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.solr.handler.admin;

import java.io.IOException;
import org.apache.solr.common.util.NamedList;
import org.apache.solr.common.util.SimpleOrderedMap;
import org.apache.solr.handler.RequestHandlerBase;
import org.apache.solr.request.SolrQueryRequest;
import org.apache.solr.response.SolrQueryResponse;

/**
 * 
 * @since solr 1.2
 */
public class PropertiesRequestHandler extends RequestHandlerBase {
	@Override
	public void handleRequestBody(SolrQueryRequest req, SolrQueryResponse rsp)
			throws IOException {
		Object props = null;
		String name = req.getParams().get("name");
		if (name != null) {
			NamedList<String> p = new SimpleOrderedMap<String>();
			p.add(name, System.getProperty(name));
			props = p;
		} else {
			props = System.getProperties();
		}
		rsp.add("system.properties", props);
		rsp.setHttpCaching(false);
	}

	// ////////////////////// SolrInfoMBeans methods //////////////////////

	@Override
	public String getDescription() {
		return "Get System Properties";
	}

	@Override
	public String getSource() {
		return "$URL: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene_solr_4_0/solr/core/src/java/org/apache/solr/handler/admin/PropertiesRequestHandler.java $";
	}
}
